Daikin LXE10E136 - PARTIAL FROZEN MODE

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5.4 PARTIAL FROZEN MODE
Some types of devices have the partial frozen mode as part of operation modes.
5.4.1 OPERATION MODES AND SETTING TEMPERATURES
5.4.2 PARTIAL FROZEN OPERATION CONTROL
The suction air temperature sensor (RS) serves as control sensor. The sensors other than the control
sensor carry out the controls in the same manner as in the case of chilled operation. The differences
other than controls are as follows:
• In the partial frozen mode, the dehumidification function (Optional) cannot be set.
• In the partial frozen mode, the "RETURN" LED lamp is lit and the suction air temperature is
displayed in the LED.
• During the partial frozen operation, the backup operations are carried out as shown below if any
failure occurs in the sensor.
Mode name Inside fan Description about operation
Partial frozen
mode
High speed
Capacity control operation
using the suction modulating
valve and the hot gas bypass
Frozen mode Low speed
Turning ON/OFF the
compressor
Setting temperature Control sensor
Chilled mode
＋30.0°C to −3.0°C
（＋86.0°F to ＋26.6°F）
Supply air
temperature
sensor
High speed
Capacity control operation
using the suction modulating
valve and the hot gas bypass
−3.1°C to −10.0°C
（＋26.4°F to −14.0°F）
Suction air
temperature
sensor
−10.1°C to −30.0°C
（＋13.8°F to −22.0°F）
Suction air
temperature
sensor
Abnormal sensor Backup operation
HPT Only abnormal indication (Operation continued)
LPT Only abnormal indication (Operation continued)
SS Supply air temperature sensor Only abnormal indication (Operation continued)
High pressure sensor
Low pressure sensor
RS Suction air temperature sensor
The same control is carried out with DRS
Control at SS+2.0°C with DRS failure
Shutdown in case of an failure in DRS and SS
AMBS
Ambient air temperature sensor Only abnormal indication (Operation continued)
DCHS
Discharge gas temperature sensor Only abnormal indication (Operation continued)
EIS Evaporator inlet temperature sensor Only abnormal indication (Operation continued)
EOS Evaporator outlet temperature sensor Only abnormal indication (Operation continued)
SGS Suction gas temperature sensor Only abnormal indication (Operation continued)
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